They were more national in scale.
they had it the worse because that where the trading/shipping was coming in and out from
In an natural observational study investigators
observe subjects and measure variables
of interest without assigning treatments to
the subjects
In an experimental study (inferential stat), data are used to make generalizations about a population based on a sample.
Hence the 1st question is an experimental.
Answer:
the answer would be D. synaptic peptide. The synapse, the firing of an action potential in one neuron—the presynaptic, or sending, neuron—causes the transmission of a signal.
Explanation:
